silly vs suicidal

silly

adj
  • Absurdly large. 

  • Innocent; suffering undeservedly, especially as an epithet of lambs and sheep. 

  • Sickly; feeble; infirm. 

  • Laughable or amusing through foolishness or a foolish appearance. 

  • Insignificant, worthless, (chiefly Scotland) especially with regard to land quality. 

  • Stupefied, senseless; stunned or dazed. 

  • Rustic, homely. 

  • Thoughtless, lacking judgment. 

  • Mentally retarded. 

  • Weak, frail; flimsy (use concerning people and animals is now obsolete). 

  • Helpless, defenseless. 

  • Pitiful, inspiring compassion 

  • Very close to the batsman, facing the bowler; closer than short. 

adv
  • Sillily: in a silly manner. 

noun
  • A term of address. 

  • A mistake. 

  • A silly person. 

suicidal

adj
  • Extremely reckless. 

  • Likely to commit, or to attempt to commit, suicide. 

  • Highly likely to certain to result in the deaths of the participants; dangerous or reckless to such a degree as to be tantamount to suicide for those taking part. 

  • Pertaining to suicide. 

noun
  • Someone suicidal; someone likely to kill themselves. 

How often have the words silly and suicidal occurred in a corpus of books? (source: Google Ngram Viewer )